What is the best insulated water bottle?
Best Insulated Water Bottle.
A good insulated water bottle is mostly double-layer structure, with vacuum pumping in the middle to achieve the effect of heat preservation. The inner materials are glass, copper, stainless steel, etc. The bottle mouth of the insulated water bottle is small and not easy to dissipate heat, and the heat transfer performance of the glass bottle body is far lower than that of plastic and stainless steel, so the insulated water bottle has the best heat preservation performance by comparison.
There are also several suggestions on the selection of insulated water bottles:
The heat preservation time of insulated water bottle varies according to the product structure. The larger the mouth of insulated water bottle, the worse the heat preservation performance. If you buy a wide mouth insulated water bottle, the general heat preservation performance is about 6 hours. If it is the kind of insulated water bottle with a cork, it usually lasts from 12 hours to 24 hours. It also depends on the size of the bottle. Generally, when you buy insulated water bottles, you need to see the heat preservation time written on the outer package.
The materials used for a good insulated water bottle are all guaranteed. Food grade materials are used, which are durable and have good heat preservation effect. Generally, the heat preservation time is 12-24 hours.
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